/* =========================================================
   金游世界游戏 · 共享外壳样式 /assets/site.css
   夜色游戏厅 × 装备库档案系统
   ========================================================= */

/* ---------- 1. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,dl,dt,dd,table{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
table{border-collapse:collapse;width:100%}
[hidden]{display:none!important}

/* ---------- 2. Tokens ---------- */
:root{
  --ink:#060B18;
  --ink-deep:#03060F;
  --panel:#0D1730;
  --lift:#142244;
  --line:#24365E;
  --line-soft:#1A2947;
  --gold:#F2C14E;
  --gold-deep:#B8862F;
  --cyan:#33E1D0;
  --cyan-deep:#1B8E88;
  --coral:#FF7A4D;
  --white:#EAF0FF;
  --muted:#A7B3CE;
  --dim:#6B7A99;

  --rail-w:272px;
  --bar-h:68px;
  --shell:1300px;
  --pad:clamp(18px,3.2vw,44px);

  --font-display:"Noto Sans SC","Source Han Sans SC","PingFang SC",system-ui,sans-serif;
  --font-head:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-body:"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-mono:"JetBrains Mono","Roboto Mono",SFMono-Regular,Consolas,monospace;

  --r-sm:6px;
  --r-md:10px;
  --r-lg:14px;
  --t-fast:150ms cubic-bezier(.4,0,.2,1);
  --t-drawer:300ms cubic-bezier(.4,0,.2,1);
}

/* ---------- 3. Base ---------- */
html{background:var(--ink)}
body{
  min-height:100vh;
  padding-top:var(--bar-h);
  background-color:var(--ink);
  background-image:
    radial-gradient(920px 540px at 78% -10%,rgba(242,193,78,.10),transparent 62%),
    radial-gradient(780px 480px at 2% 6%,rgba(51,225,208,.07),transparent 60%);
  background-repeat:no-repeat;
  background-attachment:fixed;
  color:var(--white);
  font-family:var(--font-body);
  font-size:clamp(.95rem,1.05vw,1.06rem);
  font-weight:400;
  line-height:1.85;
  letter-spacing:.01em;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{font-family:var(--font-head);font-weight:700;line-height:1.25;letter-spacing:-.01em}
p{text-wrap:pretty}
:focus-visible{outline:2px solid var(--coral);outline-offset:2px;border-radius:4px}

.visually-hidden{
  position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0;
}
.mono{font-family:var(--font-mono);font-weight:600;font-variant-numeric:tabular-nums}
.divider{height:1px;background:var(--line);border:0}
.stack{display:flex;flex-direction:column;gap:clamp(10px,1.4vw,18px)}
.cluster{display:flex;flex-wrap:wrap;align-items:center;gap:10px}

/* ---------- 4. Layout ---------- */
.shell{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:var(--pad)}
.shell--narrow{max-width:900px}
.section{padding-block:clamp(40px,6vw,86px)}
.section--tight{padding-block:clamp(22px,3vw,40px)}
.section--panel{
  background:var(--panel);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}

.grid{display:grid;gap:clamp(12px,1.5vw,18px)}
.grid--bento{grid-template-columns:repeat(12,minmax(0,1fr))}
.col-4,.col-5,.col-6,.col-7,.col-8,.col-9,.col-12{grid-column:span 12}
@media (min-width:700px){
  .col-4,.col-5,.col-6{grid-column:span 6}
  .col-7,.col-8{grid-column:span 12}
  .col-9,.col-12{grid-column:span 12}
}
@media (min-width:1024px){
  body{padding-left:var(--rail-w)}
  .col-4{grid-column:span 4}
  .col-5{grid-column:span 5}
  .col-6{grid-column:span 6}
  .col-7{grid-column:span 7}
  .col-8{grid-column:span 8}
  .col-9{grid-column:span 9}
  .col-12{grid-column:span 12}
}

/* ---------- 5. Typography helpers ---------- */
.display{
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(2.3rem,5.2vw,4.4rem);
  line-height:1.04;
  letter-spacing:-.02em;
  transform:scaleX(.96);
  transform-origin:left center;
}
.eyebrow{
  font-family:var(--font-mono);
  font-size:.72rem;
  font-weight:600;
  letter-spacing:.22em;
  color:var(--dim);
}
.h-bar{display:flex;align-items:center;gap:14px;font-family:var(--font-head);font-weight:700}
.h-bar::before{content:"";flex:0 0 auto;width:3px;height:1.05em;background:var(--gold);border-radius:2px}
.h-bar--cyan::before{background:var(--cyan)}
.lede{color:var(--muted);font-size:clamp(1rem,1.3vw,1.16rem);max-width:64ch}
.prose p{margin-bottom:1.4em;color:var(--muted)}
.prose p:last-child{margin-bottom:0}
.prose strong{color:var(--white);font-weight:600}
.prose h2,.prose h3{margin:1.9em 0 .7em;color:var(--white)}

/* ---------- 6. Breadcrumb ---------- */
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;
  font-family:var(--font-mono);font-size:.76rem;letter-spacing:.04em;color:var(--dim);
}
.crumbs a{color:var(--muted);transition:color var(--t-fast)}
.crumbs a:hover{color:var(--gold)}
.crumbs__sep{color:var(--line)}
.crumbs [aria-current="page"]{color:var(--white)}

/* ---------- 7. Skip link ---------- */
.skip-link{
  position:fixed;left:14px;top:10px;z-index:200;
  transform:translateY(-180%);
  padding:.6rem 1rem;border-radius:8px;
  background:var(--gold);color:#0B1020;
  font-family:var(--font-head);font-weight:700;font-size:.88rem;
  transition:transform var(--t-fast);
}
.skip-link:focus-visible,.skip-link:focus{transform:translateY(0)}

/* ---------- 8. Header shell ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:80;pointer-events:none}

.site-header__bar{
  pointer-events:auto;
  position:relative;
  height:var(--bar-h);
  display:flex;align-items:center;gap:16px;
  padding-inline:var(--pad);
  background:rgba(6,11,24,.9);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header__tools{display:none;align-items:center;gap:18px;margin-left:auto}
@media (min-width:1024px){
  .site-header__bar{margin-left:var(--rail-w)}
  .site-header__tools{display:flex}
}

/* brand */
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand__glyph{
  display:grid;place-items:center;flex:0 0 auto;
  width:40px;height:40px;border-radius:10px;
  border:1px solid var(--gold-deep);
  background:linear-gradient(160deg,rgba(242,193,78,.24),rgba(184,134,47,.04));
  color:var(--gold);
  font-family:var(--font-display);font-weight:900;font-size:1.15rem;line-height:1;
}
.brand__body{display:flex;flex-direction:column;gap:2px;min-width:0;line-height:1.2}
.brand__name{font-family:var(--font-display);font-weight:900;font-size:1.16rem;letter-spacing:.02em;color:var(--white)}
.brand__sub{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.16em;color:var(--dim)}
@media (min-width:1024px){.brand--bar{display:none}}

/* search */
.search{
  display:flex;align-items:center;gap:8px;
  height:40px;padding-inline:14px;
  min-width:0;width:100%;
  border:1px solid var(--line);border-radius:999px;
  background:rgba(13,23,48,.92);
  transition:border-color var(--t-fast),background-color var(--t-fast);
}
.search--bar{width:260px}
.search:focus-within{border-color:var(--cyan-deep);background:rgba(20,34,68,.92)}
.search__input{
  flex:1 1 auto;min-width:0;width:100%;
  border:0;background:none;outline:none;
  color:var(--white);font-family:var(--font-body);font-size:.88rem;
}
.search__input::placeholder{color:var(--dim)}
.search__input::-webkit-search-cancel-button{-webkit-appearance:none;appearance:none}
@media (min-width:1024px){.search--rail{display:none}}

/* stamp */
.stamp{
  font-family:var(--font-mono);font-size:.74rem;font-weight:600;
  letter-spacing:.04em;color:var(--dim);white-space:nowrap;
}
.stamp .mono{color:var(--muted)}

/* toggle */
.nav-toggle{
  display:inline-flex;align-items:center;gap:9px;
  margin-left:auto;
  padding:.5rem .78rem;
  border:1px solid var(--line);border-radius:9px;
  background:rgba(20,34,68,.6);
  color:var(--white);
  font-family:var(--font-head);font-weight:600;font-size:.82rem;letter-spacing:.06em;
  transition:border-color var(--t-fast),background-color var(--t-fast);
}
.nav-toggle:hover{border-color:var(--gold-deep);background:rgba(20,34,68,.9)}
.nav-toggle__bars{position:relative;display:block;width:16px;height:12px}
.nav-toggle__bars i{
  position:absolute;left:0;right:0;height:1.5px;border-radius:2px;
  background:currentColor;transition:transform var(--t-fast),opacity var(--t-fast);
}
.nav-toggle__bars i:nth-child(1){top:0}
.nav-toggle__bars i:nth-child(2){top:5px}
.nav-toggle__bars i:nth-child(3){top:10px}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
@media (min-width:1024px){.nav-toggle{display:none}}

/* scrim */
.nav-scrim{
  pointer-events:none;
  position:fixed;inset:0;z-index:85;
  background:rgba(3,6,15,.74);
  opacity:0;
  transition:opacity var(--t-fast);
}
.nav-scrim[data-open]{opacity:1;pointer-events:auto}
@media (min-width:1024px){.nav-scrim{display:none}}

/* ---------- 9. Rail / drawer ---------- */
.site-header__rail{
  pointer-events:auto;
  position:fixed;top:0;left:0;bottom:0;z-index:90;
  width:min(88vw,340px);
  display:flex;flex-direction:column;gap:22px;
  padding:calc(var(--bar-h) + 18px) 20px 22px;
  background:linear-gradient(180deg,#0A1124 0%,#070D1C 62%,#050A15 100%);
  border-right:1px solid var(--line);
  overflow-y:auto;
  transform:translateX(-104%);
  transition:transform var(--t-drawer);
}
.site-header__rail[data-open]{transform:none;box-shadow:30px 0 70px -34px rgba(0,0,0,.96)}
.site-header__rail .brand--rail{display:none}

@media (min-width:1024px){
  .site-header__rail{
    width:var(--rail-w);
    padding:24px 20px 22px;
    transform:none;
    box-shadow:none;
    transition:none;
  }
  .site-header__rail .brand--rail{display:flex}
}
.site-header__rail::before{
  content:"";position:absolute;inset:0 0 auto 0;height:180px;pointer-events:none;
  background:radial-gradient(240px 150px at 24% 0,rgba(242,193,78,.20),transparent 70%);
}

/* nav list */
.nav{position:relative}
.nav__list{display:flex;flex-direction:column;gap:2px}
.nav__link{
  position:relative;
  display:flex;align-items:center;gap:12px;
  padding:.62rem .8rem .62rem 1rem;
  border-radius:8px;
  color:var(--muted);
  font-family:var(--font-head);font-weight:600;font-size:.95rem;
  transition:color var(--t-fast),background-color var(--t-fast);
}
.nav__link::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:2px;background:var(--gold);
  transition:height var(--t-fast);
}
.nav__link:hover{color:var(--white);background:rgba(20,34,68,.55)}
.nav__link[aria-current="page"]{
  color:var(--white);
  background:linear-gradient(90deg,rgba(242,193,78,.16),rgba(242,193,78,.02));
}
.nav__link[aria-current="page"]::before{height:62%}
.nav__num{font-family:var(--font-mono);font-size:.72rem;font-weight:600;letter-spacing:.06em;color:var(--dim)}
.nav__link[aria-current="page"] .nav__num{color:var(--gold)}
.nav__label{min-width:0}

/* rail foot */
.rail__foot{
  margin-top:auto;display:flex;flex-direction:column;gap:12px;
  padding-top:18px;border-top:1px solid var(--line-soft);
}
.rail__meta{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.04em;color:var(--dim);line-height:1.7}

/* ---------- 10. Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  padding:.72rem 1.15rem;
  border:1px solid var(--line);border-radius:9px;
  background:var(--lift);color:var(--white);
  font-family:var(--font-head);font-weight:700;font-size:.92rem;letter-spacing:.02em;
  transition:transform var(--t-fast),border-color var(--t-fast),background-color var(--t-fast),color var(--t-fast);
}
.btn:hover{border-color:var(--gold-deep);transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn--gold{
  border-color:#8A6420;
  background:linear-gradient(180deg,#F2C14E 0%,#D9A63A 100%);
  color:#0B1020;
  box-shadow:0 0 0 1px rgba(242,193,78,.22),0 16px 32px -24px rgba(242,193,78,.95);
}
.btn--gold:hover{background:linear-gradient(180deg,#FFD067 0%,#E2AE43 100%)}
.btn--ghost{background:transparent}
.btn--block{width:100%}
.rail__cta{margin-top:2px}

/* ---------- 11. Footer ---------- */
.site-footer{
  margin-top:clamp(56px,8vw,120px);
  background:var(--ink-deep);
  border-top:1px solid var(--line);
}
.site-footer__inner{
  display:grid;grid-template-columns:1fr;
  gap:clamp(26px,3.6vw,52px);
  padding-block:clamp(36px,5vw,64px) clamp(22px,3vw,34px);
}
@media (min-width:700px){.site-footer__inner{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1100px){.site-footer__inner{grid-template-columns:1.5fr 1fr 1.25fr 1fr}}
.foot__col{display:flex;flex-direction:column;gap:14px;min-width:0}
.foot__col--brand .brand{align-items:flex-start}
.foot__title{
  font-family:var(--font-mono);font-size:.7rem;font-weight:600;
  letter-spacing:.2em;color:var(--dim);
}
.foot__list{display:flex;flex-direction:column;gap:9px}
.foot__link{
  color:var(--muted);font-size:.92rem;
  transition:color var(--t-fast);
}
.foot__link:hover{color:var(--gold)}
.foot__contact{display:flex;flex-direction:column;gap:10px}
.foot__contact li{display:flex;flex-direction:column;gap:2px}
.foot__key{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.12em;color:var(--dim)}
.foot__contact .mono{color:var(--white);font-size:.88rem;word-break:break-all}
.foot__contact span:not(.foot__key):not(.mono){color:var(--muted);font-size:.92rem}
.foot__note{color:var(--muted);font-size:.92rem;max-width:36ch}
.foot__note--sm{color:var(--dim);font-size:.82rem;line-height:1.75}
.site-footer__base{
  display:flex;flex-wrap:wrap;gap:8px 22px;justify-content:space-between;
  padding-block:16px 30px;
  border-top:1px solid var(--line-soft);
  color:var(--dim);
  font-family:var(--font-mono);font-size:.76rem;letter-spacing:.03em;
}

/* ---------- 12. Cards / tags / racks ---------- */
.card{
  position:relative;
  padding:clamp(16px,2vw,24px);
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  transition:border-color var(--t-fast),background-color var(--t-fast),transform var(--t-fast);
}
.card:hover{border-color:#33507F}
.card--focus{
  background:linear-gradient(150deg,#16274D 0%,#0D1730 56%,#0B1428 100%);
  border-color:#2C4470;
  overflow:hidden;
}
.card--focus::after{
  content:"";position:absolute;top:-40%;right:-18%;width:340px;height:340px;
  background:radial-gradient(circle,rgba(242,193,78,.20),transparent 68%);
  pointer-events:none;
}
.card--focus>*{position:relative;z-index:1}

.tag{
  display:inline-flex;align-items:center;gap:.4em;
  padding:.22em .62em;border-radius:999px;
  border:1px solid currentColor;
  font-family:var(--font-head);font-weight:600;font-size:.78rem;
  letter-spacing:.08em;line-height:1.7;white-space:nowrap;
}
.tag--gold{color:var(--gold);background:rgba(242,193,78,.10)}
.tag--cyan{color:var(--cyan);background:rgba(51,225,208,.10)}
.tag--coral{color:var(--coral);background:rgba(255,122,77,.10)}
.tag--dim{color:var(--dim);background:rgba(107,122,153,.10)}

.rack{
  display:flex;gap:clamp(10px,1.4vw,16px);
  overflow-x:auto;overscroll-behavior-x:contain;
  padding-bottom:12px;
  scroll-snap-type:x proximity;
  scrollbar-width:thin;
  scrollbar-color:var(--line) transparent;
}
.rack::-webkit-scrollbar{height:6px}
.rack::-webkit-scrollbar-track{background:transparent}
.rack::-webkit-scrollbar-thumb{background:var(--line);border-radius:3px}
.rack__item{flex:0 0 clamp(240px,30vw,320px);scroll-snap-align:start}

/* ---------- 13. Filters ---------- */
.filters{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.filters__btn{
  padding:.42rem .88rem;
  border:1px solid var(--line);border-radius:999px;
  background:var(--panel);color:var(--muted);
  font-family:var(--font-head);font-weight:600;font-size:.82rem;letter-spacing:.04em;
  transition:border-color var(--t-fast),color var(--t-fast),background-color var(--t-fast);
}
.filters__btn:hover{border-color:var(--cyan-deep);color:var(--white)}
.filters__btn[aria-pressed="true"]{
  border-color:var(--gold-deep);color:var(--gold);
  background:linear-gradient(180deg,rgba(242,193,78,.2),rgba(242,193,78,.05));
}
.filters__count{font-family:var(--font-mono);font-size:.78rem;color:var(--dim);margin-left:auto}
.filter-empty{
  padding:clamp(20px,3vw,32px);
  border:1px dashed var(--line);border-radius:var(--r-md);
  color:var(--dim);font-size:.9rem;text-align:center;
}

/* ---------- 14. Data table / timeline ---------- */
.spec{font-size:.9rem}
.spec caption{text-align:left;padding-bottom:10px;color:var(--dim);font-family:var(--font-mono);font-size:.74rem;letter-spacing:.12em}
.spec th,.spec td{padding:.62rem .8rem;text-align:left;border-bottom:1px solid var(--line-soft)}
.spec thead th{
  background:var(--lift);color:var(--muted);
  font-family:var(--font-mono);font-weight:600;font-size:.74rem;letter-spacing:.12em;
}
.spec tbody td{color:var(--muted)}
.spec tbody td .mono{color:var(--white)}
.spec tbody tr{transition:background-color var(--t-fast)}
.spec tbody tr:hover{background:rgba(20,34,68,.5)}

.timeline{position:relative;display:flex;flex-direction:column;gap:20px;padding-left:24px}
.timeline::before{content:"";position:absolute;left:5px;top:8px;bottom:8px;width:1px;background:var(--line)}
.timeline__item{position:relative}
.timeline__item::before{
  content:"";position:absolute;left:-24px;top:.55em;
  width:11px;height:11px;border-radius:50%;
  background:var(--ink);border:2px solid var(--cyan);
}
.timeline__date{display:block;font-family:var(--font-mono);font-size:.76rem;letter-spacing:.04em;color:var(--dim)}

/* ---------- 15. Gift-code slot ---------- */
.code-slot{
  display:flex;align-items:center;gap:12px;width:100%;
  padding:.62rem .85rem;
  border:1px dashed var(--gold-deep);border-radius:var(--r-sm);
  background:rgba(242,193,78,.06);
  color:var(--gold);
  font-family:var(--font-mono);font-weight:600;font-size:.92rem;letter-spacing:.06em;
  text-align:left;
  transition:background-color var(--t-fast),border-color var(--t-fast);
}
.code-slot:hover{background:rgba(242,193,78,.13);border-style:solid}
.code-slot__val{flex:1 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.code-slot__hint{
  flex:0 0 auto;
  font-family:var(--font-head);font-weight:600;font-size:.74rem;letter-spacing:.08em;
  color:var(--gold-deep);
}
.code-slot[data-copied="true"]{animation:goldflash .55s ease}
@keyframes goldflash{
  0%{box-shadow:0 0 0 0 rgba(242,193,78,.55)}
  100%{box-shadow:0 0 0 14px rgba(242,193,78,0)}
}

/* ---------- 16. Image frame (页面阶段放置图片) ---------- */
.frame{
  position:relative;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--r-md);
  background:linear-gradient(150deg,#101B36 0%,#080E1D 100%);
}
.frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(6,11,24,0) 44%,rgba(6,11,24,.78) 100%);
}
.frame__img{width:100%;height:100%;object-fit:cover;filter:saturate(.92) contrast(1.05)}
.frame--16x9{aspect-ratio:16/9}
.frame--4x3{aspect-ratio:4/3}
.frame--1x1{aspect-ratio:1/1}
.frame--tall{aspect-ratio:3/4}
.frame--skew{clip-path:polygon(0 0,100% 0,100% 86%,0 100%)}

/* ---------- 17. Progress / motion ---------- */
.progress{
  position:fixed;top:0;left:0;z-index:120;
  height:2px;width:0;
  background:linear-gradient(90deg,var(--gold),var(--cyan));
  pointer-events:none;
}
[data-reveal].reveal-init{opacity:0;transform:translateY(8px)}
[data-reveal].is-in{
  opacity:1;transform:none;
  transition:opacity .45s ease,transform .45s ease;
}
.is-scan{animation:scanIn .34s ease both}
@keyframes scanIn{
  from{opacity:0;transform:translateY(8px)}
  to{opacity:1;transform:none}
}

/* ---------- 18. Reduced motion ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
  }
  [data-reveal].reveal-init{opacity:1;transform:none}
  .is-scan{animation:none}
}